Euclid spots the oldest known quasars

The Universe Was Barely Born When These Giant Black Holes Appeared

Thirty-one newly discovered ancient quasars are giving scientists their clearest view yet of the universe’s earliest giant black holes. Quasars are among the brightest objects in the universe, shining with the power of supermassive black holes consuming vast amounts of matter. Some are so luminous they outshine entire galaxies, allowing astronomers to see them across [...]

Telescope Finds the Earliest Quasars Ever Discovered, They Shone With the Power of a Trillion Suns

I have been into space stuff for a long time now, and I consider myself pretty up to date with everything that’s happening. Yet, I’m having real trouble remembering the last time I heard about some discovery related to quasars. Until now, that is, as out of the blue I got word of the discovery of no less than 31 of the most ancient quasars ever found. Before getting into that, though, a thing or two about what quasars... (continue reading...)

Euclid finds 31 ancient quasars, including 2 that set a record for earliest ever seen

The early universe just got a little less mysterious. Using ESA's Euclid observatory, astronomers have found 31 quasars from the universe's early era, and two of them now set the record as the earliest quasars ever observed. What happened? Among Euclid's discoveries are intensely bright galaxy cores fueled by enormous black holes, giving researchers a view into a time when the universe was still very young. According to Phys.org, the two oldest …

Euclid spots the oldest known quasars

Astronomers searching the deep sky with the European Space Agency’s (ESA) Euclid space telescope have turned up the oldest quasars ever recorded — bright galactic cores that came to life when the universe was only 670 million years old. Euclid identified 31 new quasars dating to the universe’s first billion years, including two record-setters whoseContinue reading "Euclid spots the oldest known quasars" The post Euclid spots the oldest known qua…

Astronomers have found 31 of the oldest known quasars burning so soon after the Big Bang that current models struggle to explain how their black holes grew massive enough to power them in the time available

body.single-post h1.entry-title,body.single-post .entry-title{text-transform:none!important;} Euclid was built mainly to map the large-scale universe. Barely into its survey, it has already changed the census of some of the earliest known quasars. In a paper accepted for publication in Astronomy & Astrophysics and posted to arXiv on 3 July 2026, D. Yang and more than 200 colleagues report 31 newly identified quasars at redshifts between 6.6 and …